Format of Intel Plug-and-Play ACFG PCI IRQ routing table entry [array] |
| Offset | Size | Description |
|---|---|---|
|
00h |
BYTE |
PCI bus number |
|
01h |
BYTE |
PCI device number (bits 7-3) |
|
02h |
BYTE |
link value for INTA# (if non-zero, wire-ORed together with any other PCI interrupts with same link value) |
|
03h |
WORD |
IRQ connectivity bit map for INTA# (standard AT IRQs to which PCI interrupt can be routed) |
|
05h |
BYTE |
link value for INTB# |
|
06h |
WORD |
IRQ connectivity bit map for INTB# |
|
08h |
BYTE |
link value for INTC# |
|
09h |
WORD |
IRQ connectivity bit map for INTC# |
|
0Bh |
BYTE |
link value for INTD# |
|
0Ch |
WORD |
IRQ connectivity bit map for INTD# |
|
0Eh |
BYTE |
(PCI BIOS v2.1+) device slot number 00h = motherboard |
|
0Fh |
BYTE |
reserved |
|
Note: |
Each item in the routing table corresponds to a motherboard PCI device or PCI slot. |
|
See Also: |
#01259,#M0091 |